/* === Submissions Section Styles === */

/* Controls */
.submissions-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 250px;
}

.search-wrapper .material-icons-round {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    font-size: 1.25rem;
    pointer-events: none;
}

.search-wrapper input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    background-color: var(--surface-color);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.search-wrapper input:hover {
    border-color: var(--text-tertiary);
}

.search-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
    background-color: var(--surface-color);
}

/* Submissions List Container */
.submissions-grid {
    background-color: var(--surface-color);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color-subtle);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* Compact Submission Row */
.submission-card {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color-subtle);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    position: relative;
    transition: background-color 0.15s ease;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
    height: auto;
}

.submission-card:last-child {
    border-bottom: none;
}

.submission-card:hover {
    background-color: var(--primary-light);
    box-shadow: none;
}

/* Type Icon – Small */
.submission-type-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 1.25rem;
}

.submission-type-icon .material-icons-round {
    font-size: 1.3rem;
}

.submission-card:hover .submission-type-icon {
    opacity: 0.9;
}

.type-project {
    background: #2563eb;
}

.type-thesis {
    background: #7c3aed;
}

.type-presentation {
    background: #d97706;
}

.type-default {
    background: #64748b;
}

/* Info – Inline */
.submission-header {
    padding: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
    position: relative;
}

.submission-header::before {
    display: none;
}

.submission-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
    z-index: 1;
}

.submission-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 0.04em;
    opacity: 0.85;
}

.submission-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.submission-module {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Status Badge – Compact */
.status-badge {
    position: static;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.01em;
    min-width: 90px;
    justify-content: center;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

.status-badge.success {
    color: #059669;
    background-color: rgba(16, 185, 129, 0.12);
}

.status-badge.warning {
    color: #d97706;
    background-color: rgba(245, 158, 11, 0.12);
}

.status-badge.info {
    color: #2563eb;
    background-color: rgba(37, 99, 235, 0.12);
}

.status-badge.neutral {
    color: var(--text-secondary);
    background-color: var(--bg-color);
}

/* Footer / Meta – Compact inline */
.submission-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.submission-meta {
    display: flex;
    align-items: center;
    min-width: 120px;
    justify-content: flex-start;
}

.submission-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0;
    margin: 0;
    flex-shrink: 0;
    background: transparent;
}

.submission-footer.upcoming,
.submission-footer.submitted,
.submission-footer.graded {
    background: transparent;
}

/* Due Date Badge – Compact */
.due-date-badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.due-date-badge .material-icons-round {
    font-size: 1rem;
}

.due-date-badge.urgent {
    color: var(--error-color);
}

/* Progress – Hidden in compact view */
.progress-wrapper {
    display: none;
}

/* Grade Box – Compact Inline */
.grade-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.grade-circle {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--success-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.grade-meta {
    display: flex;
    flex-direction: column;
}

.grade-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success-color);
}

/* Submitted State – Compact */
.submitted-state {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.submitted-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Action Buttons – Compact */
.submission-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
    min-width: 80px;
    justify-content: flex-end;
}

.btn-action-glow {
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
    border: none;
    background: var(--primary-color);
    color: white;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.btn-action-glow .material-icons-round {
    font-size: 1rem;
}

.btn-action-glow:hover {
    background: var(--primary-hover);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
    background: var(--surface-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

/* Dark mode glassmorphism for submissions */
body.dark-mode .submissions-grid {
    background-color: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-color: var(--glass-border);
}

body.dark-mode .submission-card {
    background-color: transparent;
    border-bottom-color: var(--glass-border);
}

body.dark-mode .submission-card:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

body.dark-mode .status-badge.info {
    color: #60A5FA;
    background-color: rgba(59, 130, 246, 0.1);
}

body.dark-mode .type-project {
    background: #2563eb;
}

body.dark-mode .type-thesis {
    background: #7c3aed;
}

body.dark-mode .type-presentation {
    background: #b45309;
}

/* Mobile */
@media (max-width: 768px) {
    .submissions-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .search-wrapper {
        min-width: 100%;
        order: 1;
    }

    .submission-card {
        flex-wrap: wrap;
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }

    .submission-header {
        flex: 1 1 100%;
        min-width: 0;
    }

    .submission-right {
        flex: 1 1 100%;
        padding-left: 3.25rem;
    }

    .submission-info h3 {
        white-space: normal;
    }

    .submission-meta {
        min-width: auto;
    }
}